Gas Engines/Transmissions

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New Users - Please Read

Last post by CYO Admin « February 6th, 2013, 7:49 am
Posted in Introduce Yourself!

by CYO Admin » February 6th, 2013, 7:49 am » in Introduce Yourself!

CYO is a family friendly, spam free forum. Any posts deemed inappropriate, containing personal attacks and/or bashing/slamming a person or company...

0 Replies

95176 Views

Last post by CYO Admin View the latest post
February 6th, 2013, 7:49 am
Welcome to CarverYachtOwners.com!

Last post by Viper « September 9th, 2025, 5:56 pm
Posted in Introduce Yourself!
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by CYO Admin » January 30th, 2013, 9:07 am » in Introduce Yourself!

Welcome to CarverYachtOwners.com!

It's always confused me as to why no one ever started a carver specific message board, so here it is.

I hope you...
352 Replies

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Last post by Viper View the latest post
September 9th, 2025, 5:56 pm

Topics

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Last post

Carver 404-Engine Alarm Merc 7.4 - Part 2

Last post by Viper « December 8th, 2017, 6:57 am
Replies: 10
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by RReardon » August 28th, 2017, 8:55 am

Hi Everyone

This is a new post regarding what I thought were engine alarms (and may still be). I recently received the boat back from the mechanic...
10 Replies

8302 Views

Last post by Viper View the latest post
December 8th, 2017, 6:57 am
Aftermarket EFI

Last post by tomschauer « December 5th, 2017, 9:09 pm
Replies: 22
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by dcrahn » November 28th, 2017, 9:24 am

Has anyone switched over to an aftermarket EFI setup, namely the throttle body type? There are so many options out there that I was just wondering...
22 Replies

6653 Views

Last post by tomschauer View the latest post
December 5th, 2017, 9:09 pm
Volvo Penta Fuel Pumps

Last post by DanM « December 5th, 2017, 4:05 pm
Replies: 12
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by DanM » November 6th, 2017, 4:54 pm

I have 2004 8.1 GiI Volvo Penta engines and recently had issues with fuel starvation at higher RPM's on one motor. A dock mate with the same VP's had...
12 Replies

5775 Views

Last post by DanM View the latest post
December 5th, 2017, 4:05 pm
Please clarify Mercruiser 454 open system thermostat operation

Last post by Viper « November 30th, 2017, 7:27 am
Replies: 15
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by amanphoto » November 12th, 2017, 10:11 am

Hi all,

I am in the process of winterizing my Mercruiser engine. I am a little fizzy on how the open cooling system (raw water through the entire...
15 Replies

6608 Views

Last post by Viper View the latest post
November 30th, 2017, 7:27 am
Hurth transmission issue

Last post by Helmsman « October 19th, 2017, 9:12 pm
Replies: 22
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by Helmsman » May 8th, 2017, 9:28 am

I have a 2006 Hurth ZF 63 A - 2.7 transmission. I have a strong vibration that occurs when accelerating which continues at a lower rate when at...
22 Replies

6741 Views

Last post by Helmsman View the latest post
October 19th, 2017, 9:12 pm
Changing Velvet V drive oil

Last post by bud37 « September 23rd, 2017, 8:58 am
Replies: 11
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by mjk1040 » October 4th, 2016, 9:34 pm

Neighbor has a 1989 Santego, with crusaders and Velvet V Drives. Oil was not dextron or type F, looked to be hydraulic oil. I suggested he change it...
11 Replies

5480 Views

Last post by bud37 View the latest post
September 23rd, 2017, 8:58 am
What is normal operating temperature?

Last post by mjk1040 « September 20th, 2017, 7:14 am
Replies: 11
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by tonyiiiafl » September 18th, 2017, 1:31 pm

My 1994 390 CPMY has twin 7.4 Merc Bluewater gas carbureted engines. Port has 1100 hours, Starboard has 40. Each has 160 degree thermostats. Under...
11 Replies

3507 Views

Last post by mjk1040 View the latest post
September 20th, 2017, 7:14 am
Velvet Drive Model 20-01-006

Last post by Dewmyster « September 13th, 2017, 7:42 pm
Replies: 13
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by Dewmyster » June 19th, 2017, 11:26 am

These are in my 1998 370 Voyager hooked up to 7.4 Mercrusiers. Coming back from the Tall Ship event in Boston this past weekend I had an alarm sound...
13 Replies

6313 Views

Last post by Dewmyster View the latest post
September 13th, 2017, 7:42 pm
cruising rpm

Last post by jcoll « September 8th, 2017, 10:51 am
Replies: 8
by Crowbar » September 5th, 2017, 12:08 pm

twin 305's, 230 hp on 28' voyager. What is a good cruising rpm? Engines have 1550 hrs.

8 Replies

3285 Views

Last post by jcoll View the latest post
September 8th, 2017, 10:51 am
Carver 404-Engine Alarm Merc 7.4

Last post by tomschauer « August 22nd, 2017, 10:25 pm
Replies: 13
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by RReardon » August 20th, 2017, 6:42 pm

Hi Fellow Carver Owners

I hope every one is having a great boating season. I have a 2000 Carver 404, twin Merc 7.4 gas engines. This is what I have...
13 Replies

5053 Views

Last post by tomschauer View the latest post
August 22nd, 2017, 10:25 pm
Tach readings

Last post by Viper « August 17th, 2017, 11:13 am
Replies: 3
by Crowbar » August 16th, 2017, 12:36 pm

305 gas engines upper helm reads 3000rpm on both engines. Lower helm reads 2000 rpm on both engines at the same time. At idle, all are the same....

3 Replies

1509 Views

Last post by Viper View the latest post
August 17th, 2017, 11:13 am
1989 Merc 7.4's RPM's

Last post by Grady2011 « August 14th, 2017, 4:39 pm
Replies: 14
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by Grady2011 » August 8th, 2017, 1:12 pm

Just did something really dumb and I knew better as this is not my first boat much less not my first Carver. I have been out of the boating scene for...
14 Replies

3751 Views

Last post by Grady2011 View the latest post
August 14th, 2017, 4:39 pm
Port engine problems

Last post by Jack Kolberg « August 7th, 2017, 9:54 am
Replies: 12
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by Jack Kolberg » July 27th, 2017, 10:27 am

Greetings all.

I have a 1998 380 Santego with twin 454's. I bought this boat from an estate after it had been in storage for five years. We ended...
12 Replies

3994 Views

Last post by Jack Kolberg View the latest post
August 7th, 2017, 9:54 am
Gasoline Source

Last post by Viper « August 3rd, 2017, 7:02 pm
Replies: 7
by tonyiiiafl » August 2nd, 2017, 8:42 pm

On my 1994 390 CPMY there are three gas tanks, one for port engine, one for starboard, and a reserve tank that each can share. According to the...

7 Replies

2431 Views

Last post by Viper View the latest post
August 3rd, 2017, 7:02 pm
Water leak around dripless bearing

Last post by crquisto « July 27th, 2017, 1:36 pm
Replies: 17
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by crquisto » July 15th, 2017, 6:49 pm

Carver 406 - I have a pretty significant water leak between my port dripless shaft bearing and the blue hose behind it that is supposed to keep sea...
17 Replies

5076 Views

Last post by crquisto View the latest post
July 27th, 2017, 1:36 pm
Hit a rock today..........................

Last post by tonyiiiafl « July 25th, 2017, 5:03 am
Replies: 5
by tonyiiiafl » July 23rd, 2017, 6:36 pm

While cruising out of the channel, we were scoping out how the Coast Guard removed a green can, that was the only marking of the entrance to the...

5 Replies

1729 Views

Last post by tonyiiiafl View the latest post
July 25th, 2017, 5:03 am
Engine Hour Meter Running Fast

Last post by Samuel « July 25th, 2017, 4:02 am
Replies: 10
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by crquisto » June 21st, 2017, 10:20 am

I have a Carver 406 with twin 7.4 Mercruisers. I keep a log when I cruise and noticed on the last two cruises of around two hours each that my port...
10 Replies

5021 Views

Last post by Samuel View the latest post
July 25th, 2017, 4:02 am
Transmission oil change on a V drive.

Last post by bud37 « July 23rd, 2017, 8:10 pm
Replies: 2
by Lakesidedefence » July 23rd, 2017, 6:43 pm

Has anyone on this forum ever changed their V drive transmission fluid and if so was it a big deal . I have a 2009 Mariner .

2 Replies

1611 Views

Last post by bud37 View the latest post
July 23rd, 2017, 8:10 pm
Cams, Pistons, Etc

Last post by Viper « July 18th, 2017, 10:46 pm
Replies: 4
by hausherrs » July 18th, 2017, 4:01 pm

I am trying to source parts for an upcoming rebuild and im having a hard time finding stock spec parts. The cams are no longer available. And if they...

4 Replies

1652 Views

Last post by Viper View the latest post
July 18th, 2017, 10:46 pm
where is my fuel shut off valve?

Last post by Viper « July 17th, 2017, 9:42 pm
Replies: 3
by MelvusMD » July 17th, 2017, 11:13 am

Hello all:
I own a Carver C34, 2014. I carry spare fuel filters heading over to the Bahamas for a week. I hope I don't need them. I know how to...

3 Replies

2016 Views

Last post by Viper View the latest post
July 17th, 2017, 9:42 pm
2003 360SS Repower

Last post by taddly « July 10th, 2017, 10:25 pm
Replies: 5
by taddly » July 9th, 2017, 8:54 am

Just got the Wild Herron back from a re-power job. Replaced the troublesome Volvo Penta 5.7GXil-C engines with MerCruiser 383 MAG Strokers. Breaking...

5 Replies

1846 Views

Last post by taddly View the latest post
July 10th, 2017, 10:25 pm
Temp gauge barely moving - sender or gauge ?

Last post by mjk1040 « July 10th, 2017, 5:44 am
Replies: 2
by denders » July 9th, 2017, 10:14 pm

We have a 1982 mariner with crusader 350's and the starboard temp gauge barely moves. When we are heading out it shows around 100 degrees and the...

2 Replies

1396 Views

Last post by mjk1040 View the latest post
July 10th, 2017, 5:44 am
Type of oil?

Last post by tomschauer « July 5th, 2017, 10:56 pm
Replies: 9
by Bankerbiz87 » July 4th, 2017, 11:13 am

We have 2 350 engines Crusaders should we be using a synthetic oil?

9 Replies

2851 Views

Last post by tomschauer View the latest post
July 5th, 2017, 10:56 pm
Old fuel

Last post by Viper « July 1st, 2017, 10:45 am
Replies: 1
by rmeyer03 » July 1st, 2017, 10:32 am

I have a 1997 Carver 355 aft cabin...aux 30 gal fuel tank hasnt been used in couple of years...does fuel go bad and if so, should I drain or add...

1 Replies

1266 Views

Last post by Viper View the latest post
July 1st, 2017, 10:45 am
Looking for a gear linkage for a 1988 Voyager 28

Last post by mjk1040 « June 29th, 2017, 5:53 pm
Replies: 9
by Darkfaythe » June 29th, 2017, 3:35 am

Hi all

I dont know if this is the right place to be asking this but I have a 1988 Voyager 28 with twin Chev 305's and V Drives.

One of the linkages...

9 Replies

2433 Views

Last post by mjk1040 View the latest post
June 29th, 2017, 5:53 pm

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